Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/advanced/stim_pixe_tomography/scripts/Check_PixeEventFile.C

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  1 //***********************************************************************************************************
  2 //     Check_PixeEventFile.C
  3 // Root command file
  4 // Use it by typing in the command line of Root terminal: root Check_PixeEventFile.C
  5 //
  6 //
  7 // More information is available in UserGuide
  8 // Created by Z.LI LP2i Bordeaux 2022
  9 //***********************************************************************************************************
 10 
 11 #include <math.h>
 12 #include <stdint.h>
 13 #include <stdio.h>
 14 #include <string.h>
 15 
 16 #include <vector>
 17 // using namespace std;
 18 
 19 #define PI 3.14159265f
 20 
 21 // Define a structure to read and write each event in the required binary format
 22 struct PixeEvent
 23 {
 24   uint16_t energy_10eV;
 25   uint16_t pixelIndex;
 26   uint16_t sliceIndex;
 27   uint8_t projectionIndex;
 28 };
 29 struct ParticleInfo
 30 {
 31   float energy_keV;
 32   float mx;
 33   float my;
 34   float mz;
 35 };
 36 struct RunInfo
 37 {
 38   // uint_16t
 39   uint8_t projectionIndex;  // 1 byte
 40   uint16_t sliceIndex;  //
 41   uint16_t pixelIndex;
 42   uint32_t nbParticle;  // 4 bytes int
 43 };
 44 
 45 double DegreeToRadian(double degree)
 46 {
 47   return (PI * degree / 180.);
 48 }
 49 
 50 struct Point
 51 {
 52   double m_x;
 53   double m_y;
 54   double m_z;
 55 };
 56 bool IsDetected(Point poi1, Point poi2, double theta)
 57 {
 58   double a = (poi1.m_x * poi2.m_x + poi1.m_y * poi2.m_y + poi1.m_z * poi2.m_z)
 59              / sqrt(poi1.m_x * poi1.m_x + poi1.m_y * poi1.m_y + poi1.m_z * poi1.m_z)
 60              / sqrt(poi2.m_x * poi2.m_x + poi2.m_y * poi2.m_y + poi2.m_z * poi2.m_z);
 61   if (a > 1.0) a = 1;
 62   if (a < -1.0) a = -1;
 63   double r = acos(a);
 64   if (r > theta)
 65     return false;
 66   else
 67     return true;
 68 }
 69 
 70 void Check_PixeEventFile()
 71 {
 72   FILE* input2 =
 73     fopen("../build/PixeEvent_std_AtExit_Detector135_Aperture70_50Projections.DAT", "rb");
 74   PixeEvent ppp;
 75   int proj = -1;
 76   while (fread(&ppp, 7, 1, input2)) {
 77     if (ppp.projectionIndex != proj) {
 78       printf("__ProjectionIndex=%d\n", ppp.projectionIndex);
 79       proj = ppp.projectionIndex;
 80     }
 81     // printf("__ProjectionIndex=%d, SliceIndex=%d, PixelIndex=%d, Energy_10eV=%d\n",
 82     // ppp.projectionIndex, ppp.sliceIndex, ppp.pixelIndex, ppp.energy_10eV);
 83   }
 84   fclose(input2);
 85 }
 86